Rowing machine

Abstract

The utility model discloses a rowing machine which comprises a support, a handle, a multidirectional rotating mechanism, a power generation assembly and a seat mechanism. The power generation assemblies are fixed to the two sides of the support respectively. The handles are arranged on the two sides of the support and are in transmission connection with the corresponding power generation assemblies through the multidirectional rotating mechanisms. The seat mechanism is arranged on the support and can slide back and forth along the support in a reciprocating mode. According to the rowing machine, the handle can swing in the front, back, left and right directions, and the rowing action can be truly simulated; and a hardware basis is provided for network interaction, and self power generation and power supply can be realized.

Description

Technical Field

[0001] The utility model belongs to the field of fitness equipment, in particular to a rowing machine. Background Art

[0002] As people pay more attention to health, more and more people begin to participate in fitness activities. Among them, rowing machines are favored by people as a fitness equipment that can comprehensively improve physical fitness. This equipment imitates the movement of a kayak and provides users with a full range of physical exercise. However, the handles of existing rowing machines are generally fixed in the front or can only move in the front and back directions, which cannot realistically imitate the movements of rowing; and existing rowing machines lack the function of connecting to the network and cannot provide electricity spontaneously. Summary of the invention

[0003] In order to solve technical problems such as the practicality of the tray structure in the prior art, the utility model aims to provide a rowing machine, the handle of which can swing in multiple directions of front, back, left, and right, and can more realistically imitate the rowing action; it also provides a hardware foundation for network interaction and can generate electricity by itself.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a rowing machine, including a bracket, a handle, a multi-directional rotation mechanism, a power generation component and a seat mechanism; the power generation components are respectively fixed on both sides of the bracket; the handle is arranged on both sides of the bracket and is respectively connected to the corresponding power generation components through the multi-directional rotation mechanism; the seat mechanism is arranged on the bracket and can slide back and forth along the front and rear directions of the bracket.

[0005] As an embodiment, the multi-directional rotation mechanism includes a first shell and a first rotating shaft and a one-way bearing clutch arranged in the first shell; the first shell is provided with an opening; the inner ring of the one-way bearing clutch is transmission-connected to the corresponding power generation assembly through the opening; the outer ring of the one-way bearing clutch is connected to the first shell; the first rotating shaft is arranged parallel to the plane of the outer ring and the two ends of the first rotating shaft are connected to the first shell; the bottom end of the handle extends into the first shell from the opening and can be rotatably sleeved on the middle part of the first rotating shaft along the first rotating shaft.

[0006] As an embodiment, the bottom end of the handle is bent toward the multi-directional rotation mechanism to form a bent portion, and the end of the bent portion is sleeved on the first rotating shaft; the upper portion of the handle is bent toward the bracket.

[0007] As an implementation manner, the outer ring of the one-way bearing clutch forms a plurality of bosses; and the side portions of the bosses are respectively fixedly connected to the first housing.

[0008] As an implementation manner, the power generation assembly includes a second housing, and an acceleration gear set and a generator disposed in the second housing; the inner ring of the one-way bearing clutch is in transmission connection with the acceleration gear set and is in transmission connection with the generator through the acceleration gear set; the second housing is fixed to the bracket.

[0009] As an implementation manner, the bracket is annular; the second housing is fixed to the inner sides of the two side edges of the bracket; a through groove is provided on the side surface of the second housing for the two side edges of the bracket to pass through;

[0010] Gear accommodation grooves are provided on the inner side walls of the two side edges of the bracket; part of the acceleration gear set is accommodated in the gear accommodation grooves.

[0011] As an implementation manner, the seat mechanism includes a seat, a seat mounting frame, and a slide rail; the slide rails are respectively disposed on the two sides of the bracket; the seat mounting frame is disposed between the two slide rails and can reciprocate along the slide rails; the seat is fixed to the seat mounting frame.

[0012] As an implementation manner, it further includes an LTE module and a controller; the LTE module is electrically connected to the controller.

[0013] As an implementation manner, it further includes a motor control circuit and a strength adjustment button; the strength adjustment button is disposed on the bracket and is electrically connected to the controller; the controller is connected to the generator through the motor control circuit.

[0014] As an implementation manner, it further includes a power detection circuit, and the power detection circuit is electrically connected to the generator and the controller.

[0015] Due to the adoption of the above technical solutions, the utility model has the following beneficial effects:

[0016] For the rowing machine of the utility model, its handle is in transmission connection with the power generation assembly through a multi-directional rotation mechanism to realize swinging in multiple directions of front, back, left, and right, and can more realistically imitate the rowing action, and then can generate electricity by itself and provide power;

[0017] The rowing machine drives the power generation assembly in the same direction through a one-way bearing clutch to ensure effective power generation of the power generation assembly;

[0018] The rowing machine uses an acceleration gear set to make the handle swing to generate a power acceleration effect and improve the power generation efficiency;

[0019] The rowing machine reduces the occupied space of the rowing machine by disposing the second housing on the inner sides of the two side edges of the bracket;

[0020] The rowing machine passes through the through grooves of the corresponding second housing from both sides of the bracket. With such a design, the total thickness at the connection between the second housing and the side of the bracket can be further reduced.

[0021] By providing a gear accommodation groove, the rowing machine can accommodate part of the acceleration gear set in the gear accommodation groove, thereby reducing the thickness of the second housing.

[0022] By providing an LTE module, the rowing machine provides a hardware foundation for network interaction.

[0023] Through the cooperation of the motor control circuit, the controller and the force adjustment button, the rowing machine can adjust the rotation state of the generator, and further adjust the swinging force of the handle, realizing the adjustability of the swinging force of the handle. Description of the Drawings

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0025] Figure 1 It is the overall external structure diagram of the rowing machine of this application;

[0026] Figure 2 It is the connection structure diagram of the bracket and the power generation component in the rowing machine of this application;

[0027] Figure 3 It is the connection structure diagram of the power generation component and the handle in the rowing machine of this application;

[0028] Figure 4 It is the connection structure diagram of the acceleration gear set and the generator in the rowing machine of this application;

[0029] Figure 5 It is the structure diagram of one side of the inner side wall of the bracket in the rowing machine of this application;

[0030] Figure 6 It is the circuit diagram of the controller of the embodiment of this application;

[0031] Figure 7 It is the circuit diagram of the motor control circuit of the embodiment of this application;

[0032] Figure 8 It is the circuit diagram of the power detection circuit of the embodiment of this application;

[0033] Figures 9 to 17 It is the circuit diagram of the LTE module of the embodiment of this application.

[0034] Description of the attached reference numerals:

[0035] 1 - Bracket;

[0036] 11 - Gear receiving groove; 12 - Support part;

[0037] 2 - Handle;

[0038] 21 - Bent part; 22 - Handle grip;

[0039] 3 - Multi - directional rotation mechanism;

[0040] 31 - First housing; 32 - First rotating shaft; 33 - One - way bearing clutch; 34 - Opening; 35 - Convex column;

[0041] 4 - Power generation component;

[0042] 41 - Second housing; 42 - Acceleration gear set; 43 - Generator;

[0043] 421 - First gear; 422 - Second gear; 423 - Third gear; 424 - Fourth gear; 425 - Fifth gear; 426 - Sixth gear; 427 - Seventh gear; 428 - Eighth gear; 429 - Ninth gear; 4210 - Tenth gear;

[0044] 5 - Seat mechanism;

[0045] 51 - Seat; 52 - Seat mounting bracket; 53 - Slide rail. Detailed implementation manners

[0046] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0047] In the description of the present utility model, it should be noted that the orientation or positional relationships indicated by the terms "upper", "lower", "left", "right", "center", "vertical", "horizontal", "inner", "outer", etc. are based on the orientation or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0048] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "setting", "connection", "connection" and the like should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0049] Example 1

[0050] See also Figures 1 to 5 The rowing machine of the first embodiment of the utility model comprises a bracket 1, a handle 2, a multi-directional rotating mechanism 3, a power generation assembly 4 and a seat mechanism 5; the power generation assembly 4 is respectively fixed to both sides of the bracket 1; the handle 2 is arranged on both sides of the bracket 1 and is respectively connected to the corresponding power generation assembly 4 through the multi-directional rotating mechanism 3; the seat mechanism 5 is arranged on the bracket 1 and can slide back and forth along the front and back direction of the bracket 1. The handle 2 of the rowing machine is connected to the power generation assembly 4 through the multi-directional rotating mechanism 3 to achieve swinging in multiple directions, front and back, left and right, and can more realistically imitate the action of rowing, and then can self-generate electricity and provide electricity.

[0051] In this embodiment, the multi-directional rotation mechanism 3 includes a first shell 31 and a first rotating shaft 32 and a one-way bearing clutch 33 arranged in the first shell 31; the first shell 31 is provided with an opening 34, and the opening 34 extends from the top of the first shell 31 to the lower part of the first shell 31, so that the first shell 31 of this embodiment is U-shaped; the inner ring of the one-way bearing clutch 33 is transmission-connected with the corresponding power generation component 4 through the opening 34; the outer ring of the one-way bearing clutch 33 is connected to the first shell 31; the first rotating shaft 32 is arranged parallel to the plane of the outer ring and the two ends of the first rotating shaft 32 are connected to the first shell 31; the bottom end of the handle 2 extends into the first shell 31 from the opening 34 and can be rotatably sleeved on the middle part of the first rotating shaft 32 along the first rotating shaft 32. At this time, the bottom end of the handle 2 can rotate around the first rotating shaft 32 to realize the left and right swing of the handle 2. At the same time, the handle 2 can realize the front and back swing through the one-way bearing clutch 33, so it can realize swing in multiple directions such as front, back, left and right; in addition, the one-way bearing clutch 33 transmits the power generation component 4 in the same direction to ensure that the power generation component 4 generates electricity effectively.

[0052] The bottom end of the handle 2 is bent toward the multi-directional rotation mechanism 3 to form a bent portion 21 , and the end of the bent portion 21 is sleeved on the first rotating shaft 32 ; the upper portion of the handle 2 is bent toward the bracket 1 to form a grip 22 .

[0053] The outer ring of the one-way bearing clutch 33 forms a plurality of convex columns 35; the side portions of the convex columns 35 are respectively fixedly connected to the first housing 31.

[0054] The power generation assembly 4 includes a second housing 41, an acceleration gear set 42 and a generator 43 disposed in the second housing 41; the inner ring of the one-way bearing clutch 33 is in transmission connection with the acceleration gear set 42 and is in transmission connection with the generator 43 through the acceleration gear set 42; the second housing 41 is fixed to the bracket 1. The acceleration gear set 42 makes the handle 2 swing to generate a power acceleration effect, improving the power generation efficiency.

[0055] In this embodiment, the acceleration gear set 42 includes a first gear 421, a second gear 422, a third gear 423, a fourth gear 424, a fifth gear 425, a sixth gear 426, a seventh gear 427, an eighth gear 428, a ninth gear 429 and a tenth gear 4210; the center of the inner ring of the one-way bearing clutch 33 is key-connected to the center of the first gear 421 through a second rotating shaft; the radius of the second gear 422 is smaller than that of the first gear 421, the second gear 422 meshes with the first gear 421 and is coaxially fixed with the third gear 423; the radius of the third gear 423 is larger than that of the second gear 422; the radius of the fourth gear 424 is smaller than that of the third gear 423, the fourth gear 424 meshes with the third gear 423, and at the same time, the fourth gear 424 is coaxially fixed with the fifth gear 425; the radius of the fifth gear 425 is larger than that of the fourth gear 424; the radius of the sixth gear 426 is smaller than that of the fifth gear 425, the sixth gear 426 meshes with the fifth gear 425, and the sixth gear 426 is coaxially fixed with the seventh gear 427; the radius of the seventh gear 427 is larger than that of the sixth gear 426; the eighth gear 428 meshes with the seventh gear 427 and the radius of the eighth gear 428 is smaller than that of the seventh gear 427; the eighth gear 428 is coaxially fixed with the ninth gear 429; the radius of the ninth gear 429 is larger than that of the eighth gear 428; the tenth gear 4210 meshes with the ninth gear 429 and is in transmission connection with the generator 43. In other embodiments, an acceleration gear set 42 with other structures may also be adopted.

[0056] When the user swings the handle 2 back and forth, the handle 2 drives the outer ring of the one-way bearing clutch 33 to rotate reciprocally in the front-back direction of the bracket 1 through the first housing 31. Due to the function of the one-way bearing clutch 33, the inner ring of the one-way bearing clutch 33 always drives the first gear 421 to rotate in the same direction; then the first gear 421, the second gear 422, the third gear 423, the fourth gear 424, the fifth gear 425, the sixth gear 426, the seventh gear 427, the eighth gear 428, the ninth gear 429 and the tenth gear 4210 are sequentially in transmission, driving the generator 43 to operate and realizing power generation.

[0057] It can be seen that for a rowing machine according to this embodiment, its handle 2 can swing in multiple directions, including front, back, left, and right, which can more realistically imitate the rowing motion, and thus can generate electricity by itself and provide power.

[0058] Embodiment 2

[0059] For a rowing machine according to the second embodiment of the present invention, its structure is basically the same as that of the first embodiment, except that, as an implementation manner, the bracket 1 is annular; the second housing 41 is fixed to the inner sides of both sides of the bracket 1. A through groove is provided on the side surface of the second housing 41 for both sides of the bracket 1 to pass through.

[0060] The second housing 41 is arranged on the inner sides of both sides of the bracket 1, thereby reducing the space occupied by the rowing machine. Both sides of the bracket 1 pass through the corresponding through grooves of the second housing 41. Such a design can further reduce the total thickness at the connection between the second housing 41 and the side of the bracket 1.

[0061] Gear accommodation grooves 11 are provided on the inner side walls of both sides of the bracket 1; part of the acceleration gear set 42 is accommodated in the gear accommodation grooves 11.

[0062] The gear accommodation grooves 11 can accommodate part of the acceleration gear set 42 therein, thereby reducing the thickness of the second housing 41.

[0063] Embodiment 3

[0064] For a rowing machine according to the third embodiment of the present invention, its structure is basically the same as that of the second embodiment, except that the seat mechanism 5 includes a seat 51, a seat mounting frame 52, and a slide rail 53; the slide rails 53 are respectively arranged oppositely on both sides of the bracket 1; the seat mounting frame 52 is arranged between the two slide rails 53 so as to reciprocate along the slide rails 53; the seat 51 is fixed to the seat mounting frame 52. The cooperation between the seat mounting frame 52 and the slide rails 53 can realize the reciprocating movement of the seat 51 in the front-back direction.

[0065] Embodiment 4

[0066] For a rowing machine according to the fourth embodiment of the present invention, its structure is basically the same as that of the first embodiment, except that it further includes an LTE module and a controller; the LTE module is electrically connected to the controller.

[0067] In this embodiment, the controller adopts an MCU controller. Specifically, a single-chip microcomputer with the model of STM32F407VET6 can be used; its circuit diagram can be referred to Figure 6 .

[0068] The circuit diagram of the LTE module can be referred to Figures 9 to 17; In this embodiment, the LTE module includes a SIM card slot, which can be used to install a SIM card; the adoption of the LTE module provides a hardware foundation for network interaction. The LTE module is connected to the controller, and the MQTT protocol can be set up. Through this protocol station, direct data transmission can be achieved. Through this protocol, real-time interconnection with the virtual world can be realized.

[0069] Embodiment 5

[0070] A rowing machine according to Embodiment 5 of the present utility model has basically the same structure as that of Embodiment 2, except that the front end and the rear end of the bracket 1 are respectively bent downward to form a supporting portion 12.

[0071] Embodiment 6

[0072] A rowing machine according to Embodiment 6 of the present utility model has basically the same structure as that of Embodiment 4, except that it further includes a motor control circuit and a force adjustment button; the force adjustment button is arranged on the bracket 1 and is electrically connected to the controller; the controller is connected to the generator through the motor control circuit.

[0073] The circuit diagram of the motor control circuit can be referred to Figure 7 , the motor control circuit includes a motor interface H1, which is connected to the generator 43 through the motor interface H1; at the same time, the motor control circuit is also connected to the controller.

[0074] When it is necessary to adjust the handle force, the user can operate the force adjustment button to adjust the swing force of the handle through the controller.

[0075] It further includes a power detection circuit, and the power detection circuit is electrically connected to the generator 43 and the controller.

[0076] In this embodiment, the circuit diagram of the power detection circuit can be referred to Figure 8 , the power detection circuit is connected to the controller and the generator 43 for detecting the power of the generator 43.

Claims

1. A rowing machine, characterized in that: It includes a bracket, a handle, a multi-directional rotation mechanism, a power generation component and a seat mechanism; the power generation components are respectively fixed on both sides of the bracket; the handle is arranged on both sides of the bracket and is respectively connected to the corresponding power generation components through the multi-directional rotation mechanism; the seat mechanism is arranged on the bracket and can slide back and forth along the front and rear directions of the bracket.

2. The rowing machine according to claim 1, characterized in that: The multi-directional rotation mechanism includes a first shell and a first rotating shaft and a one-way bearing clutch arranged in the first shell; the first shell is provided with an opening; the inner ring of the one-way bearing clutch is transmission-connected with the corresponding power generation assembly through the opening; the outer ring of the one-way bearing clutch is connected to the first shell; the first rotating shaft is arranged parallel to the plane of the outer ring and the two ends of the first rotating shaft are connected to the first shell; the bottom end of the handle extends into the first shell from the opening and can be rotatably sleeved on the middle part of the first rotating shaft along the first rotating shaft.

3. The rowing machine according to claim 2, characterized in that: The bottom end of the handle is bent toward the multi-directional rotation mechanism to form a bent portion, and the end of the bent portion is sleeved on the first rotating shaft; the upper portion of the handle is bent toward the bracket.

4. The rowing machine according to claim 2, characterized in that: The outer ring of the one-way bearing clutch forms a plurality of convex columns; the side portions of the convex columns are respectively fixedly connected to the first housing.

5. The rowing machine according to claim 2, characterized in that: The power generation assembly includes a second housing and an acceleration gear set and a generator arranged in the second housing; the inner ring of the one-way bearing clutch is transmission-connected to the acceleration gear set and is transmission-connected to the generator through the acceleration gear set; the second housing is fixed to the bracket.

6. The rowing machine according to claim 5, characterized in that: The bracket is annular; the second shell is fixed to the inner side of the two side edges of the bracket; the side of the second shell is provided with a through groove for the two side edges of the bracket to pass through; the inner side walls of the two side edges of the bracket are provided with a gear receiving groove; the acceleration gear set is partially accommodated in the gear receiving groove.

7. The rowing machine according to claim 6, characterized in that: The seat mechanism comprises a seat, a seat mounting frame and a slide rail; the slide rails are respectively arranged on two sides of the bracket; the seat mounting frame can be arranged between the two slide rails for reciprocating movement along the slide rails; the seat is fixed on the seat mounting frame.

8. The rowing machine according to claim 5, characterized in that: It also includes an LTE module and a controller; the LTE module is electrically connected to the controller.

9. The rowing machine according to claim 8, characterized in that: It also includes a motor control circuit and a force adjustment button; the force adjustment button is arranged on the bracket and is electrically connected to the controller; the controller is connected to the generator through the motor control circuit.

10. The rowing machine according to claim 9, characterized in that: It also includes a power detection circuit, which is electrically connected to the generator and the controller.

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